.. _fat_fs:
FAT Filesystem Sample Application
###################################
Overview
********
This sample app demonstrates use of the filesystem API and uses the FAT file
system driver to mount an SDHC card connected over SPI bus.
Requirements
************
This project requires a SDHC or microSD card formatted with FAT filesystem.
See the :ref:`SDHC_disks` documentation for Zephyr implementation details.
Building and Running
********************
This sample can be built for an ``nrf52840_blip`` board. It requires
both the ``nrf52840_blip.overlay`` and the ``dts_fixup.h`` for nrf52840_blip
to work:
.. zephyr-app-commands::
:zephyr-app: samples/subsys/fs
:board: nrf52840_blip
:goals: build
:compact:
To run this sample, a FAT formatted microSD card should be present in the
microSD slot of ``nrf52840_blip`` board. If there are any files or directories
present in the card, the sample lists them out on the debug serial output.
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